My device doesn't ring or vibrate when I receive a call or message

On the home screen, swipe down from the top of the screen. Verify that
Silent Mode isn't turned on.

If you created a custom alert for a contact, in the Contacts app, tap a
contact. Verify that the Volume
setting isn't set to Silent and that
the Vibration setting isn't set to
Off.

My device doesn't display Instant Previews

If BlackBerry
Balance is set up on your BlackBerry device,
messages sent to accounts that are associated with your work space won't be
displayed as Instant Previews.

My device doesn't display Lock Screen Notifications

If BlackBerry
Balance is set up on your BlackBerry device,
messages sent to accounts that are associated with your work space won't be
displayed as Lock Screen Notifications when your work space is locked.